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All results from a given calculation for CHOOCHO (diformyl ether)

using model chemistry: M06-2X/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-303.085985
Energy at 298.15K 
HF Energy-303.085985
Nuclear repulsion energy160.390367
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at M06-2X/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3065 2929 57.74 113.22 0.23 0.37
2 A1 1958 1871 35.28 47.38 0.14 0.25
3 A1 1467 1402 0.21 3.01 0.45 0.62
4 A1 1180 1128 111.61 2.62 0.15 0.26
5 A1 555 530 0.91 7.56 0.21 0.35
6 A1 288 275 14.81 0.63 0.35 0.52
7 A2 1043 997 0.00 0.63 0.75 0.86
8 A2 188 179 0.00 0.48 0.75 0.86
9 B1 1051 1005 0.08 1.17 0.75 0.86
10 B1 131 125 5.03 0.07 0.75 0.86
11 B2 3042 2907 2.22 0.54 0.75 0.86
12 B2 1877 1793 767.20 2.76 0.75 0.86
13 B2 1404 1342 10.82 4.16 0.75 0.86
14 B2 1136 1086 700.38 1.77 0.75 0.86
15 B2 722 690 50.19 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9553.1 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 9129.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at M06-2X/aug-cc-pVTZ
ABC
1.63624 0.08740 0.08297

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.381
C2 0.000 1.173 -0.320
C3 0.000 -1.173 -0.320
O4 0.000 2.220 0.226
O5 0.000 -2.220 0.226
H6 0.000 1.034 -1.410
H7 0.000 -1.034 -1.410

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36611.36612.22572.22572.06722.0672
C21.36612.34571.18103.43681.09852.4611
C31.36612.34573.43681.18102.46111.0985
O42.22571.18103.43684.44062.02043.6419
O52.22573.43681.18104.44063.64192.0204
H62.06721.09852.46112.02043.64192.0676
H72.06722.46111.09853.64192.02042.0676

picture of diformyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 121.636 O1 C2 H6 113.575
O1 C3 O5 121.636 C2 O1 C3 118.303
O4 C2 H6 124.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.062      
2 C 0.135      
3 C 0.135      
4 O -0.643      
5 O -0.643      
6 H 0.539      
7 H 0.539      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.487 3.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.566 0.000 0.000
y 0.000 -39.462 0.000
z 0.000 0.000 -25.976
Traceless
 xyz
x 6.153 0.000 0.000
y 0.000 -13.190 0.000
z 0.000 0.000 7.038
Polar
3z2-r214.075
x2-y212.895
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.410 0.000 0.000
y 0.000 7.649 0.000
z 0.000 0.000 4.776


<r2> (average value of r2) Å2
<r2> 123.853
(<r2>)1/2 11.129